Ft. Pitt Supply Co. v. Ireland & Matthews Mfg. Co.
Court of Appeals for the Sixth Circuit
Appeal from the District Court of the United States for the Eastern District of Michigan; Arthur J. Tuttle, Judge. Suit in equity by the Ft. Pitt Supply Company and another against the Ireland & Matthews Manufacturing Company. Decree for defendant, and complainants appeal.
1Opinion of the Court
KNAPPEN, Circuit Judge.
Suit for .infringement of United States patent No. 925,550, June 22, 1909, issued to plaintiff Ft. Pitt Supply Company as assignee of Young & Robertshaw. Plaintiff Frost Manufacturing Company is licensee under the patent. The defenses are invalidity and lack of infringement. On hearing upon pleádings and proofs the district judge held the patent not infringed, and entered decree dismissing the bill. The appeal is from this decree.
[1] The patent relates to mechanism for operating the familiar type of water-closet flush valve, which is closed by a vertically operable…
2Cases cited9 opinions
- Herman v. Youngstown Car Mfg. Co.Court of Appeals for the Sixth Circuit · 1911
- Proudfit Loose Leaf Co. v. Kalamazoo Loose Leaf Binder Co.Court of Appeals for the Sixth Circuit · 1915
- Standard Caster & Wheel Co. v. Caster Socket Co.Court of Appeals for the Sixth Circuit · 1901
- WM. B. Scaife & Sons Co. v. Falls City Woolen MillsCourt of Appeals for the Sixth Circuit · 1913
- Ferro Concrete Const. Co. v. Concrete Steel Co.Court of Appeals for the Sixth Circuit · 1913
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3Cited by5 opinions
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- Kaser Process Pie Co. v. Pie Bakeries of America, Inc.District Court, N.D. Illinois · 1931
- Gilchrist v. F. B. Mallory Co.District Court, D. Oregon · 1921
- Winton Motor Carriage Co. v. Lindsay Auto Parts Co.Court of Appeals for the Sixth Circuit · 1917